A state of being totally pissed off and out of control.
Back it up chump cuz I am about to get midevil and I won't be held responsible for my actions!

Yeah, bitch keep those words flow'n and I'll give you a mouth full of midevil!
by Jane Nazrat March 19, 2010
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when a skinny white guy gets pissed off and than proceeds to beat the shit out of someone
"holy shit man, look at that white guy go midevil on his ass!"
by Bishop March 17, 2004
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